1. Bueh C, Zhuge A R, Xie Z W, Gao Z T, Lin D W. 2022. Water vapor transportation features and key synoptic-scale systems of the “7.20” rainstorm in Henan Province in 2021 (in Chinese). Chin J Atmos Sci, 46: 725–744
2. Chen M Y, Shi W, Xie P P, Silva V B S, Kousky V E, Higgins R W, Janowiak J E. 2008. Assessing objective techniques for gauge-based analyses of global daily precipitation. J Geophys Res, 113: D04110
3. Chyi D, He L F, Wang X M, Chen S. 2022. Fine observation characteristics and thermodynamic mechanisms of extreme heavy rainfall in Henan on 20 July 2021 (in Chinese). J Appl Meteorol Sci, 33: 1–15
4. Dai P X, Nie J. 2021. What controls the interannual variability of extreme precipitation? Geophys Res Lett, e2021GL095503
5. Ding Y H, Cai Z Y, Li J S. 1978. Study on the excessively heavy rainfall in Henan province early in August 1975 (in Chinese). Sci Atmos Sin, 2: 276–289